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An employee loads packages for cross-border shipments onto a truck at a warehouse in Hekou, Yunnan province, on March 20. [Photo/China News Service]
An archaeologist takes the ancient coins out of the pit at a construction site in Weinan, Northwest China's Shaanxi province, on Nov 9, 2018. [Photo/VCG]
An intelligent infrastructure system can acquire vehicle and road information through wireless communication and internet technology, improving transport efficiency and safety.
An employment permit mechanism has been imposed on residents from the Hong Kong and Macao special administrative regions and Taiwan since 2005.
An aerial photo, taken on July 11, 2018, shows the solar power plant project of the Shanghai Electric Power Construction Co near Cauchari, a town in the province of Jujuy, Argentina. [Photo/Xinhua]
来源：资阳报